Finding the Fourth Proportional to 139,543,196.78, 209,298,850.05 and 37,315,209.26

Step by Step Solution

1. Step 1: Write the proportion equation
   139,543,196.78 : 209,298,850.05 = 37,315,209.26 : x
2. Step 2: Convert to fraction form
   139,543,196.78/209,298,850.05 = 37,315,209.26/x
3. Step 3: Cross multiply
   139,543,196.78x = 209,298,850.05 × 37,315,209.26
4. Step 4: Simplify right side
   139,543,196.78x = 7,810,030,387,493,111
5. Step 5: Solve for x
   x = 7,810,030,387,493,111/139,543,196.78
6. Step 6: Final answer
   x = 55,968,550.01